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1、形容词和副词比较级用法重难点名称: 掌握形容词和副词原级、比较级用法,教授学生比较级构成规则 经验案例: 形容词、副词的原级和比较级大多数形容词和副词有三个等级:原级、比较级和最高级。本单元我们主要学习形容词、副词的原级和比较级的构成及其用法。 原级形容词、副词的原级即原形。1. 原级可用于句型“主语 + be / 行为动词 + as + 形容词 / 副词原形 + as + 比较对象.”,该句型表示两者在某一方面相同。当表示一方在某一方面不及另一方时,常用句型“主语 + be + not + as / so + 形容词原形 + as + 比较对象.”或“主语+ dont / doesnt +
2、行为动词原形+ as / so + 副词原形 + as + 比较对象.”。如:This pen is as cheap as that one.Jane works as hard as Amy.Your house is not as / so big as mine. Tom doesnt run as / so fast as his brother. 2. 原级前可用very,quite等词修饰。如:Im very tired. Helen plays the guitar quite well. 比较级构成形容词和副词的比较级的构成分为规则变化和不规则变化两种,具体构成见课本P114
3、。用法1. (1) 当两者(人或事物)之间进行比较,其中一方“较”或“更一些”时常用比较级,常用句型“主语 + be / 行为动词 + 形容词 / 副词比较级 + than + 比较对象.”。当than后为人称代词时,可用其主格形式或宾格形式。如:Alice is funnier than Molly. Dale studies harder than I / me.Dale is more handsome than Peter. (2) 当询问两者中谁更 / 哪一个更 / 什么更时,常用句型“Who / Which / What + be + 形容词比较级, A or B?”和“Who /
4、 Which / What + 行为动词 + 副词比较级, A or B?”。如:Which is better, the red pen or the black pen? Who dances better, you or your sister? 2. 形容词和副词的比较级可以单独使用。如:It was quieter outside.Try to do better next time.3. 形容词和副词的比较级前可以用a little,much,a lot等词语修饰。如:The red hat is a little / much cheaper than the yellow on
5、e.Tom, drive a lot more slowly.【运用】. 单项选择。1. Its much _ to have a small lovely room than a big cold one. A. good B. wellC. better D. best (2013 浙江杭州)2. Sam and Sandy are twin brothers. But Sam is _ than Sandy.A. more outgoing B. very outgoingC. the most outgoing (2014 贵州贵阳)3. Air pollution (污染) has
6、become _ than ever before. We must do something to stop it. A. serious B. more serious C. most serious D. the most serious (2014 上海)4. I dont think history is more useful than physics.I disagree. In my opinion, history is _ physics.A. as useful as B. not so useful as C. less useful than D. the most
7、useful of (2014 湖北襄阳)5.What do you think of receiving (收到) and giving gifts?I think the art of receiving a gift is _ than the art of giving. A. much more difficult B. very more difficult C. much difficult D. as difficult as (2014 四川内江)6. It is not so _ as yesterday, so there are _ people walking in Tuan Chengshan Park today.A. cold; fewer B. warm; moreC. cold; more D. warm; most(2014 湖北黄石). 写出下列形容词或副词的比较级。1. cold _ 2. nice _ 3. fat _ 4. early _ 5. important _ . 汉译英。1. 琳达(Linda)比海伦(Helen)腼腆。_2. 我哥哥睡得比我早。_3. 马克(Mark)和你一样安静。_
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